-97.65% is the change from 894 to 21
Calculation steps:
[( 21 - 894 ) ÷ 894] x 100 = -97.65%
Formula
Percentage change = [(21 - 894) / 894] x 100
Subtract the new number by the original number
21 - 894 = -873
-873 ÷ 894 = -0.9765100671140939
-0.9765100671140939 x 100 = -97.65%